38658021112 has 8 divisors (see below), whose sum is σ = 72483789600. Its totient is φ = 19329010552.

The previous prime is 38658021067. The next prime is 38658021113. The reversal of 38658021112 is 21112085683.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38658021113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2416126312 + ... + 2416126327.

It is an arithmetic number, because the mean of its divisors is an integer number (9060473700).

Almost surely, 2^38658021112 is an apocalyptic number.

It is an amenable number.

38658021112 is a deficient number, since it is larger than the sum of its proper divisors (33825768488).

38658021112 is a wasteful number, since it uses less digits than its factorization.

38658021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4832252645 (or 4832252641 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 38658021112 in words is "thirty-eight billion, six hundred fifty-eight million, twenty-one thousand, one hundred twelve".